diff --git a/tests/test_normalise.py b/tests/test_normalise.py
index 6db4ba5..582a856 100644
--- a/tests/test_normalise.py
+++ b/tests/test_normalise.py
@@ -5,6 +5,7 @@
 import zarr
 from numpy.testing import assert_array_equal
 
+from vczstore.append import append
 from vczstore.normalise import (
     index_variants,
     normalise,
@@ -12,6 +13,8 @@
     variant_alleles_are_equivalent,
 )
 
+from .utils import compare_vcf_and_vcz, convert_vcf_to_vcz
+
 
 # TODO: replace this with make_vcz in vcztools/bio2zarr
 # see https://github.com/sgkit-dev/vczstore/issues/37
@@ -324,3 +327,18 @@ def test_normalise__other_call_fields_not_implemented():
 
     with pytest.raises(NotImplementedError):
         normalise(vcz1, vcz2, vcz2_norm)
+
+
+def test_normalise_and_append(tmp_path):
+    vcz0 = convert_vcf_to_vcz("sample-variants.vcf.gz", tmp_path, ploidy=2)
+    vcz1 = convert_vcf_to_vcz("sample-part1.vcf.gz", tmp_path)
+    vcz1_norm = zarr.storage.MemoryStore()
+
+    normalise(vcz0, vcz1, vcz1_norm)
+
+    append(vcz0, vcz1_norm)
+
+    # check equivalence with original VCF
+    compare_vcf_and_vcz(
+        tmp_path, "view --no-version", "sample-part1.vcf.gz", "view --no-version", vcz0
+    )
diff --git a/uv.lock b/uv.lock
index 99d5ae3..8627741 100644
--- a/uv.lock
+++ b/uv.lock
@@ -52,8 +52,8 @@ wheels = [
 
 [[package]]
 name = "bio2zarr"
-version = "0.2.0"
-source = { git = "https://github.com/sgkit-dev/bio2zarr.git#fb26d23d1f091a6a7f85773de0ceadf80fe8a332" }
+version = "0.2.1.dev2"
+source = { git = "https://github.com/sgkit-dev/bio2zarr.git#4b50f8803d05ac7ea0a3fa8537cc7c9a3389493f" }
 dependencies = [
     { name = "click" },
     { name = "coloredlogs" },
diff --git a/vczstore/normalise.py b/vczstore/normalise.py
index bd5f1e5..be83ff6 100644
--- a/vczstore/normalise.py
+++ b/vczstore/normalise.py
@@ -1,6 +1,6 @@
 import numpy as np
 import zarr
-from bio2zarr.zarr_utils import create_empty_group_array, get_compressor
+from bio2zarr.zarr_utils import create_empty_group_array, get_compressor_config
 from more_itertools import peekable
 from vcztools.constants import STR_FILL, STR_MISSING
 from vcztools.retrieval import VczReader
@@ -51,7 +51,7 @@ def normalise(vcz1, vcz2, vcz2_norm):
                 shape=shape,
                 dtype=arr.dtype,
                 chunks=chunks,
-                compressor=get_compressor(arr),
+                compressor=get_compressor_config(arr),
                 dimension_names=array_dims(arr),
             )
         else:
@@ -66,7 +66,7 @@ def normalise(vcz1, vcz2, vcz2_norm):
                 shape=arr.shape,
                 dtype=arr.dtype,
                 chunks=arr.chunks,
-                compressor=get_compressor(arr),
+                compressor=get_compressor_config(arr),
                 dimension_names=array_dims(arr),
             )